Abstract

We describe Prussian blue nanoparticles (PB NPs) for laser-induced photothermal therapy (PTT) of tumors. The PB NPs exhibit strong absorbance at near infrared (NIR) wavelengths, are stable, non-toxic, and have 20.5% photothermal conversion efficiencies. PTT with PB NPs in a mouse model of neuroblastoma resulted in marked tumor debulking, increased tumor-free days, and decreased tumor growth rates in tumor-bearing mice. These findings demonstrate the clinical potential of PB NPs for PTT of tumors.

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